For this example we have the database pool that was created in the Create new database pools section so we will be looking for the Derby_Test database pool. From the modules displayed in the previous example, we can see that console.dbpool/Derby_Test/1.0/rar is at the top of the list, this is the module ID we will need to remove this data source.

With the database pool module ID identified ( in this example console.dbpool/Derby_Test/1.0/rar ) you can now remove it by typing the following command from the <geronimo_home>\bin directory: